131803240

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{14389}}^1$

素因数の和:14629

約数の個数: 32

約数和(自身を含む): 297873000

約数和(自身を除く): 166069760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 14389, 28778, 57556, 71945, 115112, 143890, 287780, 575560, 3295081, 6590162, 13180324, 16475405, 26360648, 32950810, 65901620, 131803240]

約数ペア:

[(1, 131803240), (2, 65901620), (4, 32950810), (5, 26360648), (8, 16475405), (10, 13180324), (20, 6590162), (40, 3295081), (229, 575560), (458, 287780), (916, 143890), (1145, 115112), (1832, 71945), (2290, 57556), (4580, 28778), (9160, 14389)]